CVE

CVE-2021-20091

8.8

CVSS

Description

The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly sanitize user input. An authenticated remote attacker could leverage this vulnerability to alter device configuration, potentially gaining remote code execution.

Attack Vector

Privileges Req.

User Interaction

buffalo wsr-2533dhpl2, buffalo wsr-2533dhp3

Updated Oct 24, 2026View on NVD →

S4E scanner

highProduct Based Web Vulnerabilities~10 seconds

CVE-2021-20091 Scanner

CVE-2021-20091 scanner - Remote Code Execution (RCE) vulnerability in Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3

Used 3.2k times · 3.4k assets checked · domain, ipv4, subdomain

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